What is the difference between a vascular and nonvascular plant? how it warms itself
whether it grows on land or in water
how it absorbs water
whether it has spines or not

Which is true of a liquid? it has a definite volume but not a definite mass. it has a definite mass but not a definite volume. it has a definite volume but not a definite shape. it has a definite shape but not a definite volume.

Chemistry worksheet - i am not sure what they are asking for exactly?

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests. which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory